Originally Posted by HORNETS7
sounds like it need setting up
maybe the throttle position senosr is not set up right?
maybe its over boost protection?
is it chipped?
what boost you running?

A faulty/incorrectly set-up TPS will not cause this.
RodgeRS_Turbo, boost limit only happens when you are running 10/11psi of boost.
See if you can find a way to support the hose and see if it happens then, sounds exactly like it to me